Akuvox E21 Series Admin Guide

2
E21A/V
Admin Guide
1.2. Connector Introduction
Ethernet(POE): Ethernet connector can provide network
connection. Ethernet(POE) can provide both network and power
connection.
(If Ethernet(POE) is used,do not plug in another power supply).
12V/GND: External power supply terminal.
Relay (NO/NC): Relay control terminal.(E21A/V supports 2
relays).
Input: Trigger signal input terminal.
Note: The general door phone diagram is only for reference.
Figure 1.2-2 General interface
Figure 1.2-1 Connection introduction

Akuvox E21 Series Specifications

General

Brand	Akuvox
Model	E21 Series
Category	Intercom System
Language	English